Standing lamp



FIG. 1 is a front view of the standing lamp;

FIG. 2 is a back view of the design;

FIG. 3 is a left side view of the design;

FIG. 4 is a right side view of the design;

FIG. 5 is a top view of the design;

FIG. 6 is a bottom view of the design; and,

FIG. 7 is a stereographic view of the design on an enlarged scale. 

The ornamental design for a standing lamp, as shown and described. 